Ethanone, 1-(4-methoxyphenyl)-2-(triphenylphosphoranylidene)-

Base Information

• Chemical Name: Ethanone, 1-(4-methoxyphenyl)-2-(triphenylphosphoranylidene)-
• CAS No.: 1777-55-5
• Molecular Formula: C27H23O2P
• Molecular Weight: 410.452
• Mol file: 1777-55-5.mol

Synonyms:1-(4-methoxyphenyl)-2-(triphenylphosphonylidene)ethanone;1-(4-methoxyphenyl)-2-(triphenylphosphoranylidene)ethanone;((4-methoxyphenyl)carbonylmethylene)triphenylphosphorane;4-methoxy benzoyl methylene triphenyl phosphorane;1-(4-methoxyphenyl)-2-(triphenylphosphosphanylidene)ethanone;

Chemical Property of Ethanone, 1-(4-methoxyphenyl)-2-(triphenylphosphoranylidene)-

Chemical Property:

• PSA: 36.11000
• LogP: 4.67420

Purity/Quality:

95% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of Ethanone, 1-(4-methoxyphenyl)-2-(triphenylphosphoranylidene)-

There total 10 articles about Ethanone, 1-(4-methoxyphenyl)-2-(triphenylphosphoranylidene)- which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 94.0%

triphenylphosphine (603-35-0) + 2-Bromo-4'-methoxyacetophenone (2632-13-5) → (4-methoxyphenacylidene)triphenyl phosphorane (1777-55-5)

Guidance literature:

triphenylphosphine; 2-Bromo-4'-methoxyacetophenone; In tetrahydrofuran; for 4h; Reflux;

With sodium hydroxide; In dichloromethane; water; at 20 - 25 ℃; for 16h;

DOI:10.1002/chem.201603318

Reference yield:

[(4-methoxybenzoyl)(phenylcarbamoyl)methylene]triphenylphosphorane → phenyl isocyanate (103-71-9) + (4-methoxyphenacylidene)triphenyl phosphorane (1777-55-5)

Guidance literature:

at 373.65 - 403.2 ℃; Kinetics;

DOI:10.1016/j.tet.2004.10.058

Reference yield:

C27H23O2P(1+)*C12H4N4(1-) → 7,7',8,8'-tetracyanoquinodimethane (1518-16-7,6144-37-2) + (4-methoxyphenacylidene)triphenyl phosphorane (1777-55-5)

Guidance literature:

In acetonitrile; at 30 ℃; Equilibrium constant; rate constants and activation parametrs, ΔH(excit.) and ΔS(excit.);

upstream raw materials:

(2-(4-methoxyphenyl)-2-oxoethyl)triphenylphosphonium bromide

[(4-methoxybenzoyl)(phenylthiocarbamoyl)methylene]triphenylphosphorane

triphenylphosphine

2-Bromo-4'-methoxyacetophenone

Downstream raw materials:

4-(4-methoxy-phenyl)-4-oxo-butyric acid

4-(4-methoxy-phenyl)-4-oxo-crotonic acid ethyl ester

1-(4-Methoxy-phenyl)-2,3-dehydro-2,3-didesoxy-D-glycero-pentulose

2,3-Dideoxy-1-C-(p-methoxy-phenyl)-D-gluco-oct-2-en-1-ulose-pentaacetat